/*
silverPDF is sponsored by Aleyant Systems (http://www.aleyant.com)

silverPDF is based on PdfSharp (http://www.pdfsharp.net) and iTextSharp (http://itextsharp.sourceforge.net)

Developers: Ai_boy (aka Oleksii Okhrymenko)

Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation
files (the "Software"), to deal in the Software without
restriction, including without limitation the rights to use,
copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following
conditions:

The above information and this permission notice shall be
included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR SPONSORS
BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.

*/
#region PDFsharp - A .NET library for processing PDF
//
// Authors:
//   Klaus Potzesny (mailto:Klaus.Potzesny@pdfsharp.com)
//
// Copyright (c) 2005-2008 empira Software GmbH, Cologne (Germany)
//
// http://www.pdfsharp.com
// http://sourceforge.net/projects/pdfsharp
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
// DEALINGS IN THE SOFTWARE.
#endregion

using System;
using System.Diagnostics;
using System.ComponentModel;
using PdfSharp.Drawing;

namespace PdfSharp.Drawing.BarCodes
{
  /// <summary>
  /// Represents an OMR code.
  /// </summary>
  public class CodeOmr : BarCode
  {
    /// <summary>
    /// initializes a new OmrCode with the given data.
    /// </summary>
    public CodeOmr(string text, XSize size, CodeDirection direction) 
      : base(text, size, direction)
    {
    }

    /// <summary>
    /// Renders the OMR code.
    /// </summary>
    protected internal override void Render(XGraphics gfx, XBrush brush, XFont font, XPoint position)
    {
      XGraphicsState state = gfx.Save();

      switch (this.direction)
      {
        case CodeDirection.RightToLeft:
          gfx.RotateAtTransform(180, position);
          break;

        case CodeDirection.TopToBottom:
          gfx.RotateAtTransform(90, position);
          break;

        case CodeDirection.BottomToTop:
          gfx.RotateAtTransform(-90, position);
          break;
      }

      //XPoint pt = center - this.size / 2;
      XPoint pt = position - CodeBase.CalcDistance(AnchorType.TopLeft, this.anchor, this.size);
      uint value;
      uint.TryParse(this.text, out value);
#if true
      // HACK: Project Wallenwein: set LK
      value |= 1;
      this.synchronizeCode = true;
#endif
      if (this.synchronizeCode)
      {
        XRect rect = new XRect(pt.x, pt.y, this.makerThickness, this.size.height);
        gfx.DrawRectangle(brush, rect);
        pt.x += 2 * this.makerDistance;
      }
      for (int idx = 0; idx < 32; idx++)
      {
        if ((value & 1) == 1)
        {
          XRect rect = new XRect(pt.x + idx * this.makerDistance, pt.y, this.makerThickness, this.size.height);
          gfx.DrawRectangle(brush, rect);
        }
        value = value >> 1;
      }
      gfx.Restore(state);
    }

    /// <summary>
    /// Gets or sets a value indicating whether a synchronize mark is rendered.
    /// </summary>
    public bool SynchronizeCode
    {
      get { return this.synchronizeCode; }
      set { this.synchronizeCode = value; }
    }
    bool synchronizeCode;

    /// <summary>
    /// Gets or sets the distance of the markers.
    /// </summary>
    public double MakerDistance
    {
      get { return this.makerDistance; }
      set { this.makerDistance = value; }
    }
    double makerDistance = 12;  // 1/6"

    /// <summary>
    /// Gets or sets the thickness of the makers.
    /// </summary>
    public double MakerThickness
    {
      get { return this.makerThickness; }
      set { this.makerThickness = value; }
    }
    double makerThickness = 1;

    ///// <summary>
    ///// Renders the mark at the given position.
    ///// </summary>
    ///// <param name="position">The mark position to render.</param>
    //private void RenderMark(int position)
    //{
    //  double yPos =  this.TopLeft.Y + this.UpperDistance + position * ToUnit(this.markDistance).Centimeter;
    //  //Center mark
    //  double xPos = this.TopLeft.X + this.Width / 2 - this.MarkWidth / 2;

    //  this.gfx.DrawLine(this.pen, xPos, yPos, xPos + this.MarkWidth, yPos);
    //}

    ///// <summary>
    ///// Distance of the marks. Default is 2/6 inch.
    ///// </summary>
    //public MarkDistance MarkDistance
    //{
    //  get { return this.markDistance; }
    //  set { this.markDistance = value; }
    //}
    //private MarkDistance markDistance = MarkDistance.Inch2_6;

    ///// <summary>
    ///// Converts a mark distance to an XUnit object.
    ///// </summary>
    ///// <param name="markDistance">The mark distance to convert.</param>
    ///// <returns>The converted mark distance.</returns>
    //public static XUnit ToUnit(MarkDistance markDistance)
    //{
    //  switch (markDistance)
    //  {
    //    case MarkDistance.Inch1_6:
    //      return XUnit.FromInch(1.0 / 6.0);
    //    case MarkDistance.Inch2_6:
    //      return XUnit.FromInch(2.0 / 6.0);
    //    case MarkDistance.Inch2_8:
    //      return XUnit.FromInch(2.0 / 8.0);
    //    default:
    //      throw new ArgumentOutOfRangeException("markDistance");
    //  }
    //}

    ///// <summary>
    ///// The upper left point of the reading zone.
    ///// </summary>
    //public XPoint TopLeft
    //{
    //  get
    //  {
    //    XPoint topLeft = this.center;
    //    topLeft.X -= this.Width;
    //    double height = this.upperDistance + this.lowerDistance;
    //    height += (this.data.Marks.Length - 1) * ToUnit(this.MarkDistance).Centimeter;
    //    topLeft.Y -= height / 2;
    //    return topLeft;
    //  }
    //}

    ///// <summary>
    ///// the upper distance from position to the first mark.
    ///// The default value is 8 / 6 inch.
    ///// </summary>
    //double UpperDistance
    //{
    //  get { return this.upperDistance; }
    //  set { this.upperDistance = value; }
    //}
    //private double upperDistance = XUnit.FromInch(8.0 / 6.0).Centimeter;

    ///// <summary>
    ///// The lower distance from the last possible mark to the end of the reading zone.
    ///// The default value is 
    ///// </summary>
    //double LowerDistance
    //{
    //  get { return this.lowerDistance; }
    //  set { this.lowerDistance = value; }
    //}
    //private double lowerDistance = XUnit.FromInch(2.0 / 6.0).Centimeter;

    ///// <summary>
    ///// Gets or sets the width of the reading zone.
    ///// Default and minimum is 3/12 inch. 
    ///// </summary>
    //public double Width
    //{
    //  get { return this.width; }
    //  set { this.width = value; }
    //}
    //double width = XUnit.FromInch(3.0 / 12.0).Centimeter;

    ///// <summary>
    ///// Gets or sets the mark width. Default is 1/2 * width.
    ///// </summary>
    //public XUnit MarkWidth
    //{
    //  get
    //  {
    //    if (this.markWidth > 0)
    //      return this.markWidth;
    //    else
    //      return this.width / 2;
    //  }
    //  set { this.markWidth = value; }
    //}
    //XUnit markWidth;

    ///// <summary>
    ///// Gets or sets the width of the mark line. Default is 1pt.
    ///// </summary>
    //public XUnit MarkLineWidth
    //{
    //  get { return this.markLineWidth; }
    //  set { this.markLineWidth = value; }
    //}
    //XUnit markLineWidth = 1;

    /// <summary>
    /// Determines whether the specified string can be used as Text for the OMR code.
    /// </summary>
    protected override void CheckCode(string text)
    {
    }
  }
}
